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Ahsoka looked like she'd been beaten/tortured between the last episode and this one. Anakin won't take that too well if he finds out..

I'm wondering if this arc takes place before or after Tipping Points. Because if this arc is before Tipping Points, I'd have expected Ahsoka to be a lot, LOT angrier at Hondo when he showed up with rocket launchers.

"Bound for Rescue" is the second last. Next we have the "I CAN NOT WAIT" final episode of this arc "A Necessary Bond". That will be a treat. It will illustrate the events we were briefly told of in the season premiere "Revival".

Why didn't Obi-Wan just threaten that he had set the ship to self-destruct, scaring Grievous to escape (hopefully into a trap) and thus saving the ship? Seems a waste of a ship to me.

This is actually a really good point -- regardless if GG might have destroyed the ship anyway, he still trusted Obi-Wan implicitly and didn't bother to check if he was telling the truth. And we all know Obi-Wan is a no-good liar (from a certain POV....). My faith in GG's military prowess continues to diminish.